NFL coaches to players: Don’t use Twitter

As professional football players report for training camp this month, they received new instructions from their coaches: Don’t use Twitter. “Football coaches are a password-protected lot, preferring to dispense so little information that most days, they would struggle to fill 140 characters,” Judy Battista wrote for The New York Times . “They worry that the casual nature of Twitter could inspire the budding bloggers in their locker rooms to inadvertently disclose more than they sh…